Module: Regression Analysis (Grid/Points)
(c) 2004 by O.Conrad
Menu: Geostatistics > Grid > Regression Analysis
Description
Regression analysis of point attributes with grid values. The regression function is used to create a new grid with (extrapolated) values.

Reference:
- Bahrenberg, G., Giese, E., Nipper, J. (1990): 'Statistische Methoden in der Geographie 1 - Univariate und bivariate Statistik', Stuttgart, 233p.

Parameters
NameTypeIdentifierDescriptionConstraints
Input
Grid Grid (input)GRID
Shapes Shapes (input)SHAPES
Output
RegressionGrid (output)REGRESSION
Residuals (*)Shapes (optional output)RESIDUAL
Options
AttributeTable fieldATTRIBUTE
Grid InterpolationChoiceINTERPOLAvailable Choices:
[0] Nearest Neighbor
[1] Bilinear Interpolation
[2] Inverse Distance Interpolation
[3] Bicubic Spline Interpolation
[4] B-Spline Interpolation
Regression FunctionChoiceMETHODAvailable Choices:
[0] Y = a + b * X (linear)
[1] Y = a + b / X
[2] Y = a / (b - X)
[3] Y = a * X^b (power)
[4] Y = a e^(b * X) (exponential)
[5] Y = a + b * ln(X) (logarithmic)
(*) optional